# Special cube

Calculate the edge of cube, if its surface and its volume is numerically equal number.

Result

a =  6

#### Solution:

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

#### To solve this example are needed these knowledge from mathematics:

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

## Next similar examples:

1. Cube
Calculate the surface cube with edge 11 dm.
2. Cube
The sum of lengths of cube edges is 69 cm. What is its surface and volume?
3. Cube surface area
Wall of cube has content area 99 cm square. What is the surface of the cube?
4. Unknown number 11
That number increased by three equals three times itself?
5. Forest nursery
In the forest nursery after winter, they found that 1/10 stems died out of them. For them, they land 193 new spruces. How many spruces are in the forest nursery?
6. Negative in equation
2x + 3 + 7x = – 24, what is the value of x?
7. Equation 29
Solve next equation: 2 ( 2x + 3 ) = 8 ( 1 - x) -5 ( x -2 )
8. Dropped sheets
Three consecutive sheets dropped from the book. The sum of the numbers on the pages of the dropped sheets is 273. What number has the last page of the dropped sheets?
9. Eq1
Solve equation: 4(a-3)=3(2a-5)
10. Equatiom
Solve equation with negatives: X/(-5) + 2 = -9
11. If-then equation
If 5x - 17 = -x + 7, then x =
12. Find x
Solve: if 2(x-1)=14, then x= (solve an equation with one unknown)
13. Simple equation 5
Solve equation with fractions: X × 3/8 = 1/2
14. Norm
Three workers planted 3555 seedlings of tomatoes in one dey. First worked at the standard norm, the second planted 120 seedlings more and the third 135 seedlings more than the first worker. How many seedlings were standard norm?
15. Simple equation
Solve the following simple equation: 2. (4x + 3) = 2-5. (1-x)
16. Equation 20
In given equation: 8/9-4/5=2/9+x, find x
17. How old
The student who asked how many years he answered: "After 10 years I will be twice as old than as I was four years ago. How old is student?